PPU_CTRL	=$2000
PPU_MASK	=$2001
PPU_STATUS	=$2002
PPU_OAM_ADDR	=$2003
PPU_OAM_DATA	=$2004
PPU_SCROLL	=$2005
PPU_ADDR	=$2006
PPU_DATA	=$2007
PPU_OAM_DMA	=$4014
PPU_FRAMECNT	=$4017
DMC_FREQ	=$4010
CTRL_PORT1	=$4016
CTRL_PORT2	=$4017
OAM_BUF		=$0200   ;$100 (256)



macro poke addr, val
	lda #val
	sta addr
endm
macro pokew addr, val
	lda #(<val)
	sta addr
	lda #(>val)
	sta addr+1
endm
